Afew weeks before Halloween and many years ago, when I was still married to my former husband, he and I and a couple we knew all decided we would celebrate Halloween dressed as the Midwest.At the time, it seemed like a clever idea. I was from Minnesota, my former husband was from Wisconsin, our friend, Becky, was from Iowa, and her husband, John, was from Illinois. We were all in our early twenties, all living in Oregon, and, as we imagined ourselves dressed as our home states, it seemed like the best idea ever.We were no longer all living in ...